[Taldres]

Follow-up to #803. Profile previews now show the same local time line as the profile, e.g. 8:14 AM (UTC +02:00), under the bio.

It follows the profile's rules: it only shows when the person turned on "Show my local time on my profile" and has a timezone set, and it stays hidden on unavailable previews, like the bio.

• The preview endpoint already returns timezone and show_local_time, so there is no backend change.
• The preview reuses LocalTime, which can now render as a p instead of an li and takes a className. The profile looks exactly as before.
• Like on the profile, the time renders nothing on the server and ticks every minute in the browser.
• The bio is clamped to three lines, so the line adds at most one row to the preview, about 28px.

Tests

• A unit test for LocalTime: the time in the given zone with its offset, and a list item by default.
• A feature test that the user preview returns timezone and show_local_time for members and guests, since the preview now depends on them.
• Checked by hand in the browser: the profile and the preview show the same line, also with a long bio.
• Pest, Pint, Rector, vp fmt/vp lint, tsc and the JS unit tests pass. PHPStan reports two errors in EmbedKnowledgeBaseCommand.php, which are already on production. I couldn't run the 100% coverage step locally because I don't have a coverage driver.

Preview